Pajero II Workshop Manual 1991 · FUEL · страница 166 из 339 · Открыть оригинал PDF ↗

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Wave Pattern Inspection Using An Analyzer

(1) Remove the injector intermediate connector and connect the
special tool (harness connectorMD998474).

(2) Connect the probe of an osciloscope as follows

Standard wave pattern

Observation conditions

Wave pattern observation points

(Point AJ: Height of back electromotive force in the solenoid coil

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Contrast with standard wave pattern	Probable cause
Solenoid coil back electromotive force IS low or doesnt appear at all:	Short in the injector solenoid

(Point BJ: Injector drive time

The injector drive timing will synchronized with the MUT-II
display:

When the engine is suddenly raced, the drive time will be
greatly extended at first;but the drive time will soon match
the engine speed.

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